

 *{
     margin: 0;
     padding: 0;
 }

.adr{
    background: orangered no-repeat center fixed;
    height: 100px;

}
.nav_container{
     width: 926px;
    margin: 0 auto;

}
 .nav_container li{
     float: left;
     padding: 35px 40px;
     text-align: center;
     line-height: 30px;
 }
.nav_container a{
    color: black;
    font-size: 15px;
    font-weight: bold;
}
li a:hover{
   color: orangered;
}

.nav_container .one a{
    color: orangered;
}
.one:hover a{
    color: black;
}


.row{
    width: 100%;

}
.row_container{
    background-color: floralwhite;
    height: 200px;
margin: 0 auto;

}
.row_container li{
    float: left;
    height: 100px;
    padding: 20px 40px;
    text-align: center;
    margin:30px 30px;
    border: 1px solid red;
    background-color: rgba(4,1,1,0.09);
}
